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0
votes
1
answer
19
views
How does the size and shape of a molecule or nanostructure affect its electronic transport properties?
asked
1 day
ago
in
Quantum Chemistry
0
votes
1
answer
24
views
What is the effect of reaction rate on reaction safety and how can it be investigated in the laboratory using a suitable experimental setup?
asked
3 days
ago
in
Chemical kinetics
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votes
1
answer
18
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What is the mechanism of electrophilic addition of hydrogen bromide to propene in the presence of a peroxide catalyst?
asked
4 days
ago
in
Organic Chemistry
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votes
1
answer
23
views
What is the bond dissociation energy (in kJ/mol) of the O-H bond in a water molecule if the energy required to break this bond is 464 kJ/mol?
asked
Feb 18
in
ThermoChemistry
0
votes
1
answer
34
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How can we improve the educational programs to prepare chemistry students for the demands and challenges of chemical-related careers, including those in industries like pharmaceuticals, chemicals, and petrochemicals?
asked
Feb 13
in
Chemical education
0
votes
1
answer
31
views
What is the rate constant for a first-order reaction if the initial concentration of the reactant is 1.5 M and its concentration after 2 minutes is 0.75 M? The half-life of the reaction is 4 minutes.
asked
Feb 13
in
Chemical kinetics
0
votes
1
answer
9
views
How can the structure of a specific enzyme or receptor be analyzed to design a drug that will bind specifically to it and inhibit its activity?
asked
Feb 11
in
Medicinal Chemistry
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votes
1
answer
9
views
How can the structural features of a specific virus be utilized in designing drugs that target and inhibit its replication, while avoiding harmful effects on human cells and other non-targeted viruses?
asked
Feb 10
in
Medicinal Chemistry
0
votes
1
answer
84
views
What functional groups are present in compound X and can they be identified using infrared spectroscopy?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
53
views
How can the concentration of lead in a given water sample be determined using atomic absorption spectroscopy?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
50
views
How can the concentration of copper ions in a wastewater sample from a factory be determined using polarography?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
69
views
A sample of 55.0 g of ethanol at 25°C is vaporized at its normal boiling point. The enthalpy of vaporization for ethanol is 38.56 kJ/mol. Calculate the amount of heat energy required for this process.
asked
Jan 22
in
ThermoChemistry
0
votes
1
answer
95
views
A chemistry student wants to determine the effect of adding a buffer solution on the equilibrium position of an acetic acid-sodium acetate reaction. The initial concentrations of acetic acid and sodium acetate are both 0.1 M and the pH of the solution is 4. Calculate the new concentrations of acetic acid, acetate ion, and hydrogen ion after adding a buffer solution containing 0.2 M acetic acid and 0.2 M sodium acetate. What is the new pH of the solution?
asked
Jan 22
in
Chemical equilibrium
0
votes
1
answer
70
views
A certain hydrocarbon requires 343 kJ of energy to break one mole of carbon-carbon bonds and 413 kJ/mole to break one mole of carbon-hydrogen bonds. What is the bond dissociation energy of the carbon-carbon and carbon-hydrogen bonds in this hydrocarbon?
asked
Jan 22
in
ThermoChemistry
0
votes
1
answer
97
views
What is the systematic name of the organic compound with the molecular formula C6H12 and the following structural formula: CH3CH2CH2CH2CH=CH2
asked
Jan 21
in
Organic Chemistry
0
votes
1
answer
39
views
Please compare the evolutionary and positive psychology perspectives in psychology.
asked
Jan 20
in
Psychology
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votes
1
answer
74
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Why is the cognitive load theory important to psychology?
asked
Jan 20
in
Psychology
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votes
1
answer
31
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Where does the psychoanalytic theory place emphasis when evaluating perceptual illusions?
asked
Jan 20
in
Psychology
0
votes
1
answer
70
views
Why is language use important in promoting cultural inclusivity?
asked
Jan 20
in
Psychology
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votes
1
answer
63
views
Where does the social-cognitive model place emphasis?
asked
Jan 20
in
Psychology
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